<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<style>
  body {
    display: grid;
    place-items: center;
    height: 100vh;
    margin: 0;
    background-color: #111;
  }

  .img-container {
    position: relative;
    width: 500px;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
  }

  .img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: all 0.7s ease-in;

  }

  .img-container:hover img.top {
    opacity: 0;
    filter: blur(20px) brightness(200%);
  }
</style>

<body>
  <div class="img-container">
    <img class="bottom" src="https://wallpapercave.com/wp/wp8104370.jpg" />
    <img class="top" src="https://wallpapercave.com/uwp/uwp3604852.jpeg" />
  </div>
</body>

</html>